:root{--bg:#0f1115;--surface:#171a21;--surface-2:#1e222b;--border:#2a2f3a;--text:#e6e8ee;--text-dim:#9aa3b2;--text-faint:#6b7484;--accent:#4c8dff;--win:#22c55e;--loss:#ef4444;--warn:#f59e0b;--radius:10px}@media (prefers-color-scheme:light){:root{--bg:#f6f7f9;--surface:#fff;--surface-2:#f0f2f5;--border:#dfe3e8;--text:#1a1d23;--text-dim:#5a6472;--text-faint:#8a93a1;--accent:#2563eb}}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans TC,sans-serif;font-size:14px;line-height:1.55}.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}.app-shell{max-width:1240px;margin:0 auto;padding:20px 20px 64px}.topbar{border-bottom:1px solid var(--border);flex-wrap:wrap;align-items:center;gap:20px;margin-bottom:22px;padding-bottom:14px;display:flex}.brand{letter-spacing:-.01em;font-size:17px;font-weight:650}.brand 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